Biology: Science For Life With Physiology Plus Mastering Biology With Pearson Etext -- Access Card Package (6th Edition) (what's New In Biology)
6th Edition
ISBN: 9780134794679
Author: BELK
Publisher: PEARSON
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Textbook Question
Chapter 4, Problem 5LTB
Enzymes speed up
- heating cells:
- binding to substrates and placing stress on their bonds;
- changing the shape of the cell;
- supplying energy to the substrate
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Chapter 4 Solutions
Biology: Science For Life With Physiology Plus Mastering Biology With Pearson Etext -- Access Card Package (6th Edition) (what's New In Biology)
Ch. 4 - What is meant by the term induced fit?Ch. 4 - Prob. 2LTBCh. 4 - What are the reactants and products of cellular...Ch. 4 - Which of the following is a false statement...Ch. 4 - Enzymes speed up chemical reactions by...Ch. 4 - Prob. 6LTBCh. 4 - Prob. 7LTBCh. 4 - The electron transport chain ___________. is...Ch. 4 - Most of the energy in an ATP molecule is released...Ch. 4 - Anaerobic respiration ___________. generates...
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- Which of the following statements is not true? Metabolic pathways _____. a. occur in a stepwise series of chemical reactions b. are speeded up by enzymes c. may break down or assemble molecules d. always produce energy (such as ATP)arrow_forwardThe cells of your body never use nucleic acids as an energy source. Can you suggest a reason why?arrow_forwardWhich of the following statements is not correct? a. Energy cannot be created or destroyed. b. Energy cannot change from one form to another. c. Energy tends to disperse spontaneously. d. Energy can be transferred.arrow_forward
- Which of the following statements is NOT true? None of the other four answers (all are true) The energy required to cause a chemical reaction to occur is called the activation energy Decomposition (degradation, catabolic) reactions are usually endergonic Chemical reactions in living cells are catalyzed by enzymes Enzymes increase the probability that a chemical reaction will take place by lowering the activation energyarrow_forwardIn order to avoid wasting cell resources, feedback mechanisms to regulate enzyme activity are a feature of: Group of answer choices. Choose Allostery Kinetics Thermodynamics Metabolismarrow_forwardIn two hours of a frozen potato the enzymes and molecules what happens to themarrow_forward
- Which statement about enzymes is true? Group of answer choices What makes enzymes so versatile is the fact that a typical enzyme can work on thousands of different substrates. Enzymes facilitate chemical reactions by increasing activation energy (EA) of a chemical reaction. Enzymes are not destroyed during the catalysis cycle and, therefore, can be used again. All previous answers None of these answersarrow_forwardWhich of the following is NOT true about enzymes? Enzymes are proteins Enzymes raise the activation energy of a chemical reaction Enzymes help a chemical reaction to occur more quickly Enzymes have an active site Enzymes may be controlled by feedback inhibitionarrow_forwardA chemical works as a disinfectant by poking holes in bacterial cell membranes. Why would this stop the cells from making ATP? Why would the inability to make ATP kill a cell?arrow_forward
- Which of the following is/are TRUE of an enzyme? Enzymes lower the release of free energy Enzymes are not consumed in a reaction Not all enzymes are proteins Enzymes only affect endergonic reactions Enzymes only affect exergonic reactionsarrow_forwardWhich of the following statements are incorrect? Enzymes and inorganic catalysts speed up reactions. Enzymes and inorganic catalysts are non-specific. Enzymatic activity can be regulated. Enzymes undo allosteric change and inorganic catalysts cannot.arrow_forwardWhich of the following is true about how enzymes work in the cell? A. Enzymes are consumed in the process of converting one molecule to another. B. Enzymes are needed to carry out only endergonic reactions. C. Enzymes are needed in the cell to increase the rate of a chemical reaction. D. Enzymes eliminate the activation barrier.arrow_forward
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